Home / 8,506.08-12,762.77-2,956.40

Finding the Fourth Proportional to 8,506.08, 12,762.77 and 2,956.40

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Solution

The fourth proportional to 8,506.08, 12,762.77 and 2,956.40 is: 4,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.08 : 12,762.77 = 2,956.40 : x
  2. Step 2: Convert to fraction form
    8,506.08/12,762.77 = 2,956.40/x
  3. Step 3: Cross multiply
    8,506.08x = 12,762.77 × 2,956.40
  4. Step 4: Simplify right side
    8,506.08x = 37,731,774.63
  5. Step 5: Solve for x
    x = 37,731,774.63/8,506.08
  6. Step 6: Final answer
    x = 4,435.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.